Listen to Instruments of the Orchestra: The grouping of instrumental families. An additive approach. First, two violins. online. Instruments of the Orchestra: The grouping of instrumental families. An additive approach. First, two violins. is an English language song and is sung by Jeremy Siepmann. Instruments of the Orchestra: The grouping of instrumental families. An additive approach. First, two violins., from the album Instruments of the Orchestra (The), was released in the year 2002. The duration of the song is 1:20. Download English songs online from JioSaavn.